Would-be contestants Savannah, Isabelle and Sam will make their debut in the house on Tuesday as part of a dating task – but there’s a twist, as only two of them will actually become fully-fledged housemates.

And it’ll be up to the remaining housemates to decide which of them get to stay in the house, and who’ll be shown the door before they’ve even had a chance to settle in.

Here’s who they’ll have to choose from.

Savannah O’Reilly

Singer Savannah O’Reilly has partied with A-listers – but will a stay in the Big Brother house be next? (Picture: Channel 5)

Age: 26

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From: Dublin

Who is she? Irish lass Savannah divides her time between London, Los Angeles and Dublin, and is no stranger to a few A-list parties – counting the likes of Justin Bieber and Ariana Grande as close friends.

Wants to be on Big Brother because: ‘It’s something you couldn’t do anywhere else!’

Isabelle Warburton

Could Isabelle be one of the people you’ll be watching every night? (Picture: Channel 5)

Age: 21

From: Warrington

Who is she? Isabelle’s aiming to dispel the stereotype that comes with her appearance – pointing out that beneath the bleached hair and fake eyelashes she’s ‘actually not a bitch’. That said, she could well be an interesting addition to the house, given she already has past history with Kieran Lee, having hooked up with him in Ibiza last year (and she maintains she won’t be happy if he’s forgotten!)

Wants to be on Big Brother because: ‘I want to have the best summer ever, I’m in between jobs at the moment so why the hell not?’

Sam Chaloner

Will Sam get lucky in the next Big Brother task? (Picture: Channel 5)

Age: 24

From: New Mills, High Peak

Who is he? Sam is often compared to former Celebrity Big Brother champion Scotty T by girls, which he claims comes in handy when it comes to nights out. Which is useful, since he claims ‘pulling girls’ and ‘going out with the lads’ are his favourite things in life. Er, OK.

Wants to be on Big Brother because: ‘It will be the most amazing experience of my life and I want to see if I can survive without my phone!’

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Find out who gets to join the Big Brother house on Wednesday night’s show, which kicks off on Channel 5 at 10pm.